package com.zzyl.nursing.service.impl;

import java.util.List;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.vo.NursingLevelVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.NursingLevelMapper;
import com.zzyl.nursing.domain.NursingLevel;
import com.zzyl.nursing.service.INursingLevelService;
import org.springframework.transaction.annotation.Transactional;

/**
 * 护理等级业务层处理
 */
@Transactional
@Service
public class NursingLevelServiceImpl
        extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService {

    @Autowired
    private NursingLevelMapper nursingLevelMapper;

    @Autowired
    private RedisTemplate<Object, Object> redisTemplate;

    //定义一个静态变量KEY，用于存储所有护理信息的键
    private static String KEY = "nursing:all";

    //查询所有护理等级
    @Override
    public List<NursingLevel> listAll() {
        //从缓存中获取数据
        List<NursingLevel> list = (List<NursingLevel>) redisTemplate.opsForValue().get(KEY);
        //判断缓存中是否存在数据，如果存在，则直接返回
        if (list != null && list.size() > 0) {
            return list;
        }
        //缓存中不存在，查询数据库，同时把数据放到缓存中
        list = nursingLevelMapper.listAll();
        //把数据放到缓存中
        redisTemplate.opsForValue().set(KEY, list);
        return list;
    }

    //查询护理等级列表
    @Override
    public List<NursingLevelVo> selectNursingLevelList(NursingLevel nursingLevel) {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    //获取护理等级详细信息
    @Override
    public NursingLevel selectNursingLevelById(Long id) {
        return nursingLevelMapper.selectNursingLevelById(id);
    }

    //新增护理等级
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel) {
        //设置护理等级的创建时间为当前日期时间
        nursingLevel.setCreateTime(DateUtils.getNowDate());
        //插入新的护理等级到数据库
        int flag = nursingLevelMapper.insertNursingLevel(nursingLevel);
        //删除缓存，以确保数据一致性
        redisTemplate.delete(KEY);
        return flag;
    }

    //修改护理等级
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel) {
        //设置护理等级的创建时间为当前日期时间
        nursingLevel.setUpdateTime(DateUtils.getNowDate());
        //更新新的护理等级到数据库
        int flag = nursingLevelMapper.updateNursingLevel(nursingLevel);
        //删除缓存，以确保数据一致性
        redisTemplate.delete(KEY);
        return flag;
    }

    //批量删除护理等级
    @Override
    public int deleteNursingLevelByIds(Long[] ids) {
        int flag = nursingLevelMapper.deleteNursingLevelByIds(ids);
        //删除缓存，以确保数据一致性
        redisTemplate.delete(KEY);
        return flag;
    }
}